2014

3.5

1984

6.7

2002

6.4

2003

7.8

2001

7.1

1993

6.2

1995

7.2

1968

7.1

2000

2.0

1999

7.0

2022

6.9

1977

0.0

2021

7.7

2020

7.1

2006

4.7

1999

6.2

2015

5.9

2015

7.5

2011

6.4

2013

7.2